Patents by Inventor Adolf Ernest Wirsing

Adolf Ernest Wirsing has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Metallization composite having nickel intermediate/interface
    Patent number: 5719070
    Abstract: A metallization composite comprises a refractory metal, nickel, and copper. The refractory metal is preferably titanium (Ti), but other suitable refractory metals such as zirconium and hafnium can also be utilized. An additional optional layer of gold can overlie the copper. The metallization composite is used to connect a solder contact to a semiconductor substrate.
    Type: Grant
    Filed: October 2, 1996
    Date of Patent: February 17, 1998
    Assignee: International Business Machines Corporaton
    Inventors: Herbert Carl Cook, Paul Alden Farrar, Sr., Robert Michael Geffken, William Thomas Motsiff, Adolf Ernest Wirsing